Home / 338,244.80-507,367.20-322,692.80

Finding the Fourth Proportional to 338,244.80, 507,367.20 and 322,692.80

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Solution

The fourth proportional to 338,244.80, 507,367.20 and 322,692.80 is: 484,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,244.80 : 507,367.20 = 322,692.80 : x
  2. Step 2: Convert to fraction form
    338,244.80/507,367.20 = 322,692.80/x
  3. Step 3: Cross multiply
    338,244.80x = 507,367.20 × 322,692.80
  4. Step 4: Simplify right side
    338,244.80x = 163,723,742,396.16
  5. Step 5: Solve for x
    x = 163,723,742,396.16/338,244.80
  6. Step 6: Final answer
    x = 484,039.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.